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While tin-126's half-life of 230,000 years translates to a low specific activity of gamma radiation, its short-lived decay products, two isomers of antimony-126, emit 17 and 40 keV gamma radiation and a 3.67 MeV beta particle on their way to stable tellurium-126, making external exposure to tin-126 a potential concern.
The 15 puzzle (also called Gem Puzzle, Boss Puzzle, Game of Fifteen, Mystic Square and more) is a sliding puzzle. It has 15 square tiles numbered 1 to 15 in a frame that is 4 tile positions high and 4 tile positions wide, with one unoccupied position.
The first tin alloy used on a large scale was bronze, made of 1 ⁄ 8 tin and 7 ⁄ 8 copper (12.5% and 87.5% respectively), from as early as 3000 BC. After 600 BC, pure metallic tin was produced. After 600 BC, pure metallic tin was produced.
Breast cancer is a rarity for men — roughly 1 out of 100,000 males get the potentially killer disease. Joseph Polcaro, 62, a New Jersey corrections officer, volunteered to work at a tent for the ...
Li Bai's yuefu poems have been called the greatest of all time by Ming-dynasty scholar and writer Hu Yinglin. [49] Li Bai especially excelled in the Gushi form, or "old style" poems, a type of poetry allowing a great deal of freedom in terms of the form and content of the work. An example is his poem "蜀道難", translated by Witter Bynner as ...
He missed the rest of 2022 and all of 2023, then struggled in 2024, with a 5.38 ERA over 16 starts and 75 1/3 innings. The Red Sox have landed a great bounce-back candidate in Buehler.
The Las Vegas Raiders enter Week 15 of the season at 2-11, ... The Raiders can cut Crosby before June 1 and free up $7.8 million in cap space. Base salary: $22.24 million.
Southeast Asia in the 13th century; Lý Chiêu Hoàng ruled Dai Viet, in the northeast of the map. Lý Chiêu Hoàng ([li˦˥ ciə̯w˧˧ hwaːŋ˨˩] chữ Hán: 李昭皇, September 1218 – 1278), personal name Lý Phật Kim (李佛金) later renamed to Lý Thiên Hinh (李天馨), was the ninth and last sovereign of the Lý dynasty, empress of Đại Việt from 1224 to 1225.